From: Chris Wilson Date: Tue, 8 Nov 2011 23:17:34 +0000 (+0000) Subject: drm/i915:: Disable FBC on SandyBridge X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d56d8b28e9247e7e35e02fbb12b12239a2c33ad1;p=linux-beck.git drm/i915:: Disable FBC on SandyBridge Enabling FBC is causing the BLT ring to run between 10-100x slower than normal and frequently lockup. The interim solution is disable FBC once more until we know why. Signed-off-by: Chris Wilson Signed-off-by: Keith Packard --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b3b51c43dad0..19f35eceba40 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1872,7 +1872,7 @@ static void intel_update_fbc(struct drm_device *dev) if (enable_fbc < 0) { DRM_DEBUG_KMS("fbc set to per-chip default\n"); enable_fbc = 1; - if (INTEL_INFO(dev)->gen <= 5) + if (INTEL_INFO(dev)->gen <= 6) enable_fbc = 0; } if (!enable_fbc) {